include/asm-arm/arch-ixp4xx/nslu2.h

   1 /*
   2  * include/asm-arm/arch-ixp4xx/nslu2.h
   3  *
   4  * NSLU2 platform specific definitions
   5  *
   6  * Author: Mark Rakes <mrakes AT mac.com>
   7  * Maintainers: http://www.nslu2-linux.org
   8  *
   9  * based on ixdp425.h:
  10  *      Copyright 2004 (c) MontaVista, Software, Inc.
  11  *
  12  * This file is licensed under  the terms of the GNU General Public
  13  * License version 2. This program is licensed "as is" without any
  14  * warranty of any kind, whether express or implied.
  15  */
  16
  17 #ifndef __ASM_ARCH_HARDWARE_H__
  18 #error "Do not include this directly, instead #include <asm/hardware.h>"
  19 #endif
  20
  21 #define NSLU2_FLASH_BASE        IXP4XX_EXP_BUS_CS0_BASE_PHYS
  22 #define NSLU2_FLASH_SIZE        IXP4XX_EXP_BUS_CSX_REGION_SIZE
  23
  24 #define NSLU2_SDA_PIN           7
  25 #define NSLU2_SCL_PIN           6
  26
  27 /*
  28  * NSLU2 PCI IRQs
  29  */
  30 #define NSLU2_PCI_MAX_DEV       3
  31 #define NSLU2_PCI_IRQ_LINES     3
  32
  33
  34 /* PCI controller GPIO to IRQ pin mappings */
  35 #define NSLU2_PCI_INTA_PIN      11
  36 #define NSLU2_PCI_INTB_PIN      10
  37 #define NSLU2_PCI_INTC_PIN      9
  38 #define NSLU2_PCI_INTD_PIN      8
  39
  40
  41 /* NSLU2 Timer */
  42 #define NSLU2_FREQ 66000000
  43 #define NSLU2_CLOCK_TICK_RATE (((NSLU2_FREQ / HZ & ~IXP4XX_OST_RELOAD_MASK) + 1) * HZ)
  44 #define NSLU2_CLOCK_TICKS_PER_USEC ((NSLU2_CLOCK_TICK_RATE + USEC_PER_SEC/2) / USEC_PER_SEC)
  45
  46 /* GPIO */
  47
  48 #define NSLU2_GPIO0             0
  49 #define NSLU2_GPIO1             1
  50 #define NSLU2_GPIO2             2
  51 #define NSLU2_GPIO3             3
  52 #define NSLU2_GPIO4             4
  53 #define NSLU2_GPIO5             5
  54 #define NSLU2_GPIO6             6
  55 #define NSLU2_GPIO7             7
  56 #define NSLU2_GPIO8             8
  57 #define NSLU2_GPIO9             9
  58 #define NSLU2_GPIO10            10
  59 #define NSLU2_GPIO11            11
  60 #define NSLU2_GPIO12            12
  61 #define NSLU2_GPIO13            13
  62 #define NSLU2_GPIO14            14
  63 #define NSLU2_GPIO15            15
  64
  65 /* Buttons */
  66
  67 #define NSLU2_PB_GPIO           NSLU2_GPIO5
  68 #define NSLU2_PO_GPIO           NSLU2_GPIO8     /* power off */
  69 #define NSLU2_RB_GPIO           NSLU2_GPIO12
  70
  71 #define NSLU2_PB_IRQ            IRQ_IXP4XX_GPIO5
  72 #define NSLU2_RB_IRQ            IRQ_IXP4XX_GPIO12
  73
  74 #define NSLU2_PB_BM             (1L << NSLU2_PB_GPIO)
  75 #define NSLU2_PO_BM             (1L << NSLU2_PO_GPIO)
  76 #define NSLU2_RB_BM             (1L << NSLU2_RB_GPIO)
  77
  78 /* Buzzer */
  79
  80 #define NSLU2_GPIO_BUZZ         4
  81 #define NSLU2_BZ_BM             (1L << NSLU2_GPIO_BUZZ)
  82 /* LEDs */
  83
  84 #define NSLU2_LED_RED           NSLU2_GPIO0
  85 #define NSLU2_LED_GRN           NSLU2_GPIO1
  86
  87 #define NSLU2_LED_RED_BM        (1L << NSLU2_LED_RED)
  88 #define NSLU2_LED_GRN_BM        (1L << NSLU2_LED_GRN)
  89
  90 #define NSLU2_LED_DISK1         NSLU2_GPIO2
  91 #define NSLU2_LED_DISK2         NSLU2_GPIO3
  92
  93 #define NSLU2_LED_DISK1_BM      (1L << NSLU2_GPIO2)
  94 #define NSLU2_LED_DISK2_BM      (1L << NSLU2_GPIO3)
  95
  96